Home / 75,877.28-113,534.03-47,665.25

Finding the Fourth Proportional to 75,877.28, 113,534.03 and 47,665.25

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Solution

The fourth proportional to 75,877.28, 113,534.03 and 47,665.25 is: 71,320.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,877.28 : 113,534.03 = 47,665.25 : x
  2. Step 2: Convert to fraction form
    75,877.28/113,534.03 = 47,665.25/x
  3. Step 3: Cross multiply
    75,877.28x = 113,534.03 × 47,665.25
  4. Step 4: Simplify right side
    75,877.28x = 5,411,627,923.46
  5. Step 5: Solve for x
    x = 5,411,627,923.46/75,877.28
  6. Step 6: Final answer
    x = 71,320.79

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.